45188233 has 2 divisors, whose sum is σ = 45188234. Its totient is φ = 45188232.

The previous prime is 45188219. The next prime is 45188257. The reversal of 45188233 is 33288154.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44997264 + 190969 = 6708^2 + 437^2 .

It is a cyclic number.

It is not a de Polignac number, because 45188233 - 2⁵ = 45188201 is a prime.

It is not a weakly prime, because it can be changed into another prime (45186233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22594116 + 22594117.

It is an arithmetic number, because the mean of its divisors is an integer number (22594117).

Almost surely, 2^45188233 is an apocalyptic number.

It is an amenable number.

45188233 is a deficient number, since it is larger than the sum of its proper divisors (1).

45188233 is an equidigital number, since it uses as much as digits as its factorization.

45188233 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23040, while the sum is 34.

The square root of 45188233 is about 6722.2193507799. The cubic root of 45188233 is about 356.1845847676.

The spelling of 45188233 in words is "forty-five million, one hundred eighty-eight thousand, two hundred thirty-three".